 /*******************************************************************************
  * Copyright (c) 2000, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.registry;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IExtensionRegistry;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.internal.WorkbenchPlugin;

 /**
  * A strategy to read view extensions from the registry.
  */
 public class PerspectiveRegistryReader extends RegistryReader {
     private PerspectiveRegistry registry;

     /**
      * RegistryViewReader constructor comment.
      *
      * @param out the output registry
      */
     public PerspectiveRegistryReader(PerspectiveRegistry out) {
         super();
         registry = out;
     }

     /**
      * readElement method comment.
      */
     // for dynamic UI - change access from protected to public
 protected boolean readElement(IConfigurationElement element) {
         if (element.getName().equals(IWorkbenchRegistryConstants.TAG_PERSPECTIVE)) {
             try {
                 PerspectiveDescriptor desc = new PerspectiveDescriptor(element.getAttribute(IWorkbenchRegistryConstants.ATT_ID), element);
                 registry.addPerspective(desc);
             } catch (CoreException e) {
                 // log an error since its not safe to open a dialog here
 WorkbenchPlugin.log(
                         "Unable to create layout descriptor.", e.getStatus());//$NON-NLS-1$
 }
             return true;
         }

         return false;
     }

     /**
      * Read the view extensions within a registry.
      *
      * @param in the registry to read
      */
     public void readPerspectives(IExtensionRegistry in) {
         readRegistry(in, PlatformUI.PLUGIN_ID,
                 IWorkbenchRegistryConstants.PL_PERSPECTIVES);
     }
 }

